| r0.c0 | Average number of employees during the period active within the Netherlands/Current | venj-bw2-i:AverageNumberEmployeesNetherlands | nl-types:nonNegativeDecimalItemType | duration | ifrs-smes:ConsolidatedMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r0.c1 | Average number of employees during the period active within the Netherlands/Previous | venj-bw2-i:AverageNumberEmployeesNetherlands | nl-types:nonNegativeDecimalItemType | duration | ifrs-smes:ConsolidatedMember | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam |
| r1.c0 | Average number of employees during the period active outside the Netherlands/Current | venj-bw2-i:AverageNumberEmployeesAbroad | nl-types:nonNegativeDecimalItemType | duration | ifrs-smes:ConsolidatedMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r1.c1 | Average number of employees during the period active outside the Netherlands/Previous | venj-bw2-i:AverageNumberEmployeesAbroad | nl-types:nonNegativeDecimalItemType | duration | ifrs-smes:ConsolidatedMember | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam |
| r2.c0 | Average number of employees during the period/Current | venj-bw2-i:AverageNumberEmployees | nl-types:nonNegativeDecimalItemType | duration | ifrs-smes:ConsolidatedMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r2.c1 | Average number of employees during the period/Previous | venj-bw2-i:AverageNumberEmployees | nl-types:nonNegativeDecimalItemType | duration | ifrs-smes:ConsolidatedMember | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam |